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ADC124S021CIMM/NOPB
4 Channel, 50 ksps to 200 kSPS, 12-Bit A/D Converter 10-VSSOP -40 to 85
ADC124S021
www.ti.com SNAS277F –MARCH 2005–REVISED MARCH 2013
ADC124S021 4-Channel, 50 kspsto 200 ksps, 12-Bit A/D Converter
Checkfor Samples: ADC124S021
1FEATURES
DESCRIPTION Specified Overa Rangeof Sample Rates. The ADC124S021 isa low-power, four-channel
• Four Input Channels CMOS 12-bit analog-to-digital converter witha high-
• Variable Power Management speed serial interface. Unlike the conventional
practiceof specifying performanceata single sample
• Single Power Supply with 2.7V- 5.25V Rangerate only, the ADC124S021is fully specified overa
sample rate rangeof 50 ksps to 200 ksps. The
APPLICATIONS converteris based ona successive-approximation
• Portable Systems register architecture with an internal track-and-hold
circuit.It can be configuredto acceptupto four input
• Remote Data Acquisitionsignalsat inputs IN1 through IN4.
• Instrumentation and Control SystemsThe output serial data is straight binary, andis
KEY SPECIFICATIONS compatible with several standards, such as SPI™,
QSPI™, MICROWIRE, and many common DSP
• DNL: +0.4/ −0.2 LSB (typ) serial interfaces.
• INL:± 0.35 LSB (typ) The ADC124S021 operates witha single supply that
• SNR: 72.0 dB (typ) can range from +2.7V to +5.25V. Normal power
Power Consumption consumption usinga +3Vor +5V supplyis 2.2 mW
and 7.9 mW, respectively. The power-down feature
– 3V Supply: 2.2 mW (typ) reduces the power consumptionto just 0.14µ W using
– 5V Supply: 7.9 mW (typ) a +3V supply,or 0.32µ W usinga +5V supply.
The ADC124S021is packagedina 10-lead VSSOP
package. Operation over the industrial temperature
rangeof −40°Cto +85°Cis ensured.
These devices have limited built-in ESD protection. The leads shouldbe shorted togetherorthe device placedin conductive foam
during storageor handlingto prevent electrostatic damagetothe MOS gates.
Table1. Pin-Compatible Alternatives by Resolution and Speed(1)
